Home / 859,272.51-1,286,946.45-410,309.43

Finding the Fourth Proportional to 859,272.51, 1,286,946.45 and 410,309.43

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Solution

The fourth proportional to 859,272.51, 1,286,946.45 and 410,309.43 is: 614,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,272.51 : 1,286,946.45 = 410,309.43 : x
  2. Step 2: Convert to fraction form
    859,272.51/1,286,946.45 = 410,309.43/x
  3. Step 3: Cross multiply
    859,272.51x = 1,286,946.45 × 410,309.43
  4. Step 4: Simplify right side
    859,272.51x = 528,046,257,905.29
  5. Step 5: Solve for x
    x = 528,046,257,905.29/859,272.51
  6. Step 6: Final answer
    x = 614,527.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.